Maebashi, Gunma Weather by Month and Climate Averages

How much rain does Maebashi get?

Maebashi gets 1169 mm of precipitation in an average year, spread over about 99 days with measurable rain. That is fewer rainy days than 77% of Japan.

September is the wettest month, with 193 mm. December is the driest, with 22 mm. July has the most rainy days, about 15.

The longest dry spell in the last five years lasted 41 days, to February 6, 2026.

Maebashi weather by month

Maebashi weather in January

In January, Maebashi averages a high of 9°C and a low of -1°C. It gets 26 mm of precipitation over about 3 rainy days. The sun is out about 44% of daylight hours. The January record high is 19°C (1996) and the record low is -8°C (1970).

Maebashi weather in February

In February, Maebashi averages a high of 10°C and a low of -1°C. It gets 24 mm of precipitation over about 4 rainy days. The sun is out about 42% of daylight hours. The February record high is 23°C (1987) and the record low is -9°C (1981).

Maebashi weather in March

In March, Maebashi averages a high of 14°C and a low of 3°C. It gets 53 mm of precipitation over about 7 rainy days. The sun is out about 40% of daylight hours. The March record high is 27°C (1998) and the record low is -7°C (1977).

Maebashi weather in April

In April, Maebashi averages a high of 19°C and a low of 8°C. It gets 71 mm of precipitation over about 8 rainy days. The sun is out about 39% of daylight hours. The April record high is 32°C (1983) and the record low is -2°C (1978). April is one of the most comfortable months to visit.

Maebashi weather in May

In May, Maebashi averages a high of 24°C and a low of 13°C. It gets 94 mm of precipitation over about 9 rainy days. The sun is out about 32% of daylight hours. The May record high is 37°C (1993) and the record low is 3°C (1991). May is one of the most comfortable months to visit.

Maebashi weather in June

In June, Maebashi averages a high of 27°C and a low of 18°C. It gets 144 mm of precipitation over about 13 rainy days. The sun is out about 23% of daylight hours. The June record high is 39°C (2022) and the record low is 8°C (1978).

Maebashi weather in July

In July, Maebashi averages a high of 31°C and a low of 22°C. It gets 179 mm of precipitation over about 15 rainy days. The sun is out about 22% of daylight hours. The July record high is 40°C (2001) and the record low is 12°C (1976).

Maebashi weather in August

In August, Maebashi averages a high of 32°C and a low of 23°C. It gets 186 mm of precipitation over about 12 rainy days. The sun is out about 29% of daylight hours. The August record high is 41°C (2025) and the record low is 15°C (1976).

Maebashi weather in September

In September, Maebashi averages a high of 27°C and a low of 19°C. It gets 193 mm of precipitation over about 12 rainy days. The sun is out about 24% of daylight hours. The September record high is 38°C (1984) and the record low is 8°C (1995).

Maebashi weather in October

In October, Maebashi averages a high of 22°C and a low of 13°C. It gets 137 mm of precipitation over about 8 rainy days. The sun is out about 38% of daylight hours. The October record high is 32°C (2012) and the record low is 3°C (1971). October is one of the most comfortable months to visit.

Maebashi weather in November

In November, Maebashi averages a high of 17°C and a low of 7°C. It gets 40 mm of precipitation over about 5 rainy days. The sun is out about 54% of daylight hours. The November record high is 26°C (2019) and the record low is -2°C (1974).

Maebashi weather in December

In December, Maebashi averages a high of 12°C and a low of 2°C. It gets 22 mm of precipitation over about 3 rainy days. The sun is out about 50% of daylight hours. The December record high is 25°C (1990) and the record low is -6°C (1976).

Sunshine, humidity and wind in Maebashi

November is the sunniest month in Maebashi, with sunshine about 54% of daylight hours. July is the cloudiest, at 22%. Over the year the sun shines about 36% of daylight hours. Maebashi is cloudier than 64% of Japan.

Humidity peaks in September at 81% and is lowest in February at 59%.

Maebashi has about 29 days a year above 32°C. Maebashi is hotter than 76% of Japan.

First and last freeze in Maebashi

The first fall freeze in Maebashi typically comes around December 9, and the last spring freeze around March 23. That leaves a frost-free growing season of about 261 days.

Maebashi weather records

The hottest temperature on record at the Maebashi station is 41°C, on August 5, 2025. The coldest is -9°C, on February 27, 1981.

The wettest day on record brought 340 mm of rain, on August 23, 1993.

45 all-time records have been set at the station since 1970.

The best time to visit Maebashi

The most comfortable time to visit is typically April to May and October, when daytime highs sit near 22°C.

Winter (December–February) is chilly, with average highs around 10°C and lows near 0°C.

Spring (March–May) is mild, with average highs around 19°C and lows near 8°C.

Summer (June–August) is hot, with average highs around 30°C and lows near 21°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 22°C and lows near 13°C.

Maebashi climate questions

How much rain does Maebashi get?

Maebashi gets 1169 mm of precipitation in an average year, over about 99 rainy days.

What is the wettest month in Maebashi?

September is the wettest month in Maebashi, with 193 mm. December is the driest, with 22 mm.

How many rainy days does Maebashi have a year?

Maebashi has about 99 days with measurable rain in an average year. July has the most, about 15.

What is the hottest month in Maebashi?

August is the warmest month in Maebashi, with an average high of 32°C.

What is the coldest month in Maebashi?

January is the coldest month in Maebashi, with an average low of -1°C.

What is the record high temperature in Maebashi?

The record high at the Maebashi station is 41°C, set on August 5, 2025. The record low is -9°C, on February 27, 1981.

What is the sunniest month in Maebashi?

November is the sunniest month in Maebashi, with sunshine about 54% of daylight hours. July is the cloudiest.

When is the first frost in Maebashi?

The first fall freeze in Maebashi typically comes around December 9. The last spring freeze is around March 23.

What is the best time to visit Maebashi?

The most comfortable time to visit is typically April to May and October, when daytime highs sit near 22°C.